Question 1

Excessive shedding of this layer of the epidermis of the scalp is responsible for dandruff.

Accepted Answer

A)  stratum basale 
B)  stratum spinosum 
C)  stratum granulosum 
D)  stratum lucidum 
E)  stratum corneum 
A)  stratum basale 
B)  stratum spinosum 
C)  stratum granulosum 
D)  stratum lucidum 
E)  stratum corneum

Question 2

The central axis of the hair is the

Accepted Answer

A)  shaft. 
B)  cuticle. 
C)  hair bulb. 
D)  medulla. 
E)  root. 
A)  shaft. 
B)  cuticle. 
C)  hair bulb. 
D)  medulla. 
E)  root.

Question 3

-The diagram illustrates glands of the skin. What does "B" represent?

Accepted Answer

A)  apocrine sweat gland 
B)  sebaceous gland 
C)  eccrine sweat gland 
D)  duct of apocrine sweat gland 
E)  sweat pore 
A)  apocrine sweat gland 
B)  sebaceous gland 
C)  eccrine sweat gland 
D)  duct of apocrine sweat gland 
E)  sweat pore

Question 4

What protein is found in the nails, hair, and epidermis?

Accepted Answer

A)  melanin 
B)  keratin 
C)  carotene 
D)  elastin 
E)  collagen 
A)  melanin 
B)  keratin 
C)  carotene 
D)  elastin 
E)  collagen

Question 5

Which of the following statements concerning the hypodermis is false?

Accepted Answer

A)  Hypodermis is referred to as subcutaneous tissue. 
B)  Hypodermis is composed of dense connective tissue with collagen and elastin fibers. 
C)  The main cell types of the hypodermis are fibroblasts, fat cells, and macrophages. 
D)  The hypodermis attaches the skin to underlying bone and muscle. 
E)  The hypodermis is a site of fat storage. 
A)  Hypodermis is referred to as subcutaneous tissue. 
B)  Hypodermis is composed of dense connective tissue with collagen and elastin fibers. 
C)  The main cell types of the hypodermis are fibroblasts, fat cells, and macrophages. 
D)  The hypodermis attaches the skin to underlying bone and muscle. 
E)  The hypodermis is a site of fat storage.

Question 6

When the arrector pili muscles contract

Accepted Answer

A)  the body is able to lose heat. 
B)  "goose bumps" form on the skin. 
C)  the hair on your arms and legs begins to curl. 
D)  the sweat glands empty their contents onto the surface of the skin. 
E)  no change is noted on the skin surface. 
A)  the body is able to lose heat. 
B)  "goose bumps" form on the skin. 
C)  the hair on your arms and legs begins to curl. 
D)  the sweat glands empty their contents onto the surface of the skin. 
E)  no change is noted on the skin surface.

Question 7

A yellow pigment derived from plants that can impart a yellow color to the skin is

Accepted Answer

A)  melanosomes. 
B)  albinism. 
C)  dermatitis. 
D)  carotene. 
E)  cyanosis. 
A)  melanosomes. 
B)  albinism. 
C)  dermatitis. 
D)  carotene. 
E)  cyanosis.

Question 8

What type of burn appears white or black with no immediate pain?

Accepted Answer

A)  first-degree 
B)  second-degree 
C)  third-degree 
D)  fourth-degree 
E)  partial-thickness 
A)  first-degree 
B)  second-degree 
C)  third-degree 
D)  fourth-degree 
E)  partial-thickness

Question 9

Delicate unpigmented hairs that cover the fetus in early development are called

Accepted Answer

A)  terminal hairs. 
B)  primary hairs. 
C)  lanugo hairs. 
D)  vellus hairs. 
E)  secondary hairs. 
A)  terminal hairs. 
B)  primary hairs. 
C)  lanugo hairs. 
D)  vellus hairs. 
E)  secondary hairs.

Question 10

Intact skin provides protection because

Accepted Answer

A)  it forms a physical barrier against the entry of microbes. 
B)  its secretions keep the skin slightly alkaline. 
C)  the skin contains components of the excretory system. 
D)  the skin enhances water loss from the body. 
E)  macrophages roam in the epidermis. 
A)  it forms a physical barrier against the entry of microbes. 
B)  its secretions keep the skin slightly alkaline. 
C)  the skin contains components of the excretory system. 
D)  the skin enhances water loss from the body. 
E)  macrophages roam in the epidermis.

Question 11

Skin glands do not include

Accepted Answer

A)  sebaceous glands. 
B)  salivary glands. 
C)  ceruminous glands. 
D)  mammary glands. 
E)  sweat glands. 
A)  sebaceous glands. 
B)  salivary glands. 
C)  ceruminous glands. 
D)  mammary glands. 
E)  sweat glands.

Question 12

In which layer of the epidermis are granules of keratohyalin formed?

Accepted Answer

A)  stratum basale 
B)  stratum spinosum 
C)  stratum granulosum 
D)  stratum lucidum 
E)  stratum corneum 
A)  stratum basale 
B)  stratum spinosum 
C)  stratum granulosum 
D)  stratum lucidum 
E)  stratum corneum

Question 13

Which of the following statements is false?

Accepted Answer

A)  Most sebaceous glands are connected by a duct to the upper portion of the hair follicle. 
B)  Secretions from sebaceous glands provide protection against bacteria. 
C)  Secretions from sebaceous glands oil the hair and skin. 
D)  Sebaceous glands are an example of apocrine glands. 
E)  Sebaceous secretions are lipid soluble. 
A)  Most sebaceous glands are connected by a duct to the upper portion of the hair follicle. 
B)  Secretions from sebaceous glands provide protection against bacteria. 
C)  Secretions from sebaceous glands oil the hair and skin. 
D)  Sebaceous glands are an example of apocrine glands. 
E)  Sebaceous secretions are lipid soluble.

Question 14

Cedric slipped and cut his finger. The cut bled, but did not penetrate to the hypodermis. The deepest layer penetrated was the

Accepted Answer

A)  stratum spinosum. 
B)  stratum granulosum. 
C)  stratum basale. 
D)  stratum corneum. 
E)  papillary layer of the dermis. 
A)  stratum spinosum. 
B)  stratum granulosum. 
C)  stratum basale. 
D)  stratum corneum. 
E)  papillary layer of the dermis.

Question 15

A subcutaneous injection delivers medication into the

Accepted Answer

A)  epidermis. 
B)  dermis. 
C)  hypodermis. 
D)  muscle. 
E)  joint. 
A)  epidermis. 
B)  dermis. 
C)  hypodermis. 
D)  muscle. 
E)  joint.

Question 16

Keratinocytes

Accepted Answer

A)  produce skin pigments in cell organelles called melanosomes. 
B)  are found in both the dermal and the epidermal layers of the skin. 
C)  are special cells of the immune system. 
D)  are responsible for the reduction of water loss from the skin. 
E)  determine thickness of the skin. 
A)  produce skin pigments in cell organelles called melanosomes. 
B)  are found in both the dermal and the epidermal layers of the skin. 
C)  are special cells of the immune system. 
D)  are responsible for the reduction of water loss from the skin. 
E)  determine thickness of the skin.

Question 17

-What does structure "E" represent on the diagram?

Accepted Answer

A)  hair follicle 
B)  arrector pili 
C)  dermis 
D)  hypodermis 
E)  sebaceous gland 
A)  hair follicle 
B)  arrector pili 
C)  dermis 
D)  hypodermis 
E)  sebaceous gland

Question 18

Nails

Accepted Answer

A)  protect the ends of digits. 
B)  alternate between growing and resting stages. 
C)  grow from their free edges. 
D)  are part of the dermis. 
E)  are soft keratin. 
A)  protect the ends of digits. 
B)  alternate between growing and resting stages. 
C)  grow from their free edges. 
D)  are part of the dermis. 
E)  are soft keratin.

Question 19

Body odor results from secretions from the ______ sweat glands.

Accepted Answer

A)  apocrine 
B)  merocrine 
C)  ceruminous 
D)  sebaceous 
E)  eccrine 
A)  apocrine 
B)  merocrine 
C)  ceruminous 
D)  sebaceous 
E)  eccrine

Question 20

Xeroderma pigmentosa is an autosomal recessive trait most commonly associated with a defective gene located on chromosome

Accepted Answer

A)  8. 
B)  10. 
C)  11. 
D)  23. 
E)  9. 
A)  8. 
B)  10. 
C)  11. 
D)  23. 
E)  9.

Exam 5: Integumentary System

Excessive shedding of this layer of the epidermis of the scalp is responsible for dandruff.

The central axis of the hair is the

-The diagram illustrates glands of the skin. What does "B" represent?

What protein is found in the nails, hair, and epidermis?

Which of the following statements concerning the hypodermis is false?

When the arrector pili muscles contract

A yellow pigment derived from plants that can impart a yellow color to the skin is

What type of burn appears white or black with no immediate pain?

Delicate unpigmented hairs that cover the fetus in early development are called

Intact skin provides protection because

Skin glands do not include

In which layer of the epidermis are granules of keratohyalin formed?

Which of the following statements is false?

Cedric slipped and cut his finger. The cut bled, but did not penetrate to the hypodermis. The deepest layer penetrated was the

A subcutaneous injection delivers medication into the

Keratinocytes

-What does structure "E" represent on the diagram?

Nails

Body odor results from secretions from the ______ sweat glands.

Xeroderma pigmentosa is an autosomal recessive trait most commonly associated with a defective gene located on chromosome

The Human Organism

The Chemical Basis of Life

Cell Biology

Tissues

Skeletal System: Bones and Bone Tissue

Skeletal System: Gross Anatomy

Joints and Movement

Muscular System: Histology and Physiology

Muscular System: Gross Anatomy

Functional Organization of Nervous Tissue

Spinal Cord and Spinal Nerves

Brain and Cranial Nerves

Integration of Nervous System Functions

The Special Senses

Autonomic Nervous System

Functional Organization of the Endocrine System

Endocrine Glands

Cardiovascular System: Blood

Cardiovascular System: the Heart

Cardiovascular System: Blood Vessels and Circulation

Lymphatic System and Immunity

Respiratory System

Digestive System

Nutrition, Metabolism, and Temperature Regulation

Urinary System

Water, Electrolytes, and Acidbase Balance

Reproductive System

Development, Growth, Aging, and Genetics

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